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56642958 = 2323146831
BaseRepresentation
bin1101100000010…
…0110110001110
310221120202112100
43120010312032
5104000033313
65342015530
71255312551
oct330046616
9127522470
1056642958
1129a78769
1216b775a6
13b972c58
147746698
154e8d173
hex3604d8e

56642958 has 12 divisors (see below), whose sum is σ = 122726448. Its totient is φ = 18880980.

The previous prime is 56642947. The next prime is 56643011. The reversal of 56642958 is 85924665.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1573398 + ... + 1573433.

It is an arithmetic number, because the mean of its divisors is an integer number (10227204).

Almost surely, 256642958 is an apocalyptic number.

56642958 is an abundant number, since it is smaller than the sum of its proper divisors (66083490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56642958 is a wasteful number, since it uses less digits than its factorization.

56642958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146839 (or 3146836 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 56642958 is about 7526.1516062328. The cubic root of 56642958 is about 384.0448759403.

It can be divided in two parts, 56642 and 958, that added together give a square (57600 = 2402).

The spelling of 56642958 in words is "fifty-six million, six hundred forty-two thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 9 18 3146831 6293662 9440493 18880986 28321479 56642958